2475e87481
Deprecate 'current' for date/time input.
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Fix up references to "PostgreSQL" rather than "Postgres". Was roughly
evenly split between the two before. ref/ files not yet done.
2001-11-21 05:53:41 +00:00
2bb6b98d5c
Add a section about the planner's statistics, including a description
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of the new pg_stats view.
2001-10-16 01:13:44 +00:00
705869dd17
Uppercase keywords where appropriate.
2001-10-12 23:32:34 +00:00
ffb8f73890
Bunch of copy fitting and style sheet tweakage to get decent looking print
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output (from pdfjadetex). Also updated instructions to install documentation
processing toolchain.
2001-10-09 18:46:00 +00:00
89fa551808
EXPLAIN ANALYZE feature to measure and show actual runtimes and tuple
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counts alongside the planner's estimates. By Martijn van Oosterhout,
with some further work by Tom Lane.
2001-09-18 01:59:07 +00:00
351a0c1736
Replace ASCII-quotes with proper markup.
2001-09-13 15:55:24 +00:00
84956e71a3
Markup additions and spell check. (covers User's Guide)
2001-09-09 17:21:59 +00:00
7d6e28149e
Mention that EXPLAIN results on small tables shouldn't be extrapolated
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to large tables. Recommend ANALYZE or VACUUM ANALYZE after populating
a table.
2001-06-22 18:53:36 +00:00
88ba401879
Update EXPLAIN discussion and examples to match current sources.
2001-06-11 00:52:09 +00:00
a6677f0f9e
Change "indices" to "indexes", per OED.
2001-05-17 21:50:18 +00:00
6cda3ad8fe
Cause planner to make use of average-column-width statistic that is now
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collected by ANALYZE. Also, add some modest amount of intelligence to
guesses that are used for varlena columns in the absence of any ANALYZE
statistics. The 'width' reported by EXPLAIN is finally something less
than totally bogus for varlena columns ... and, in consequence, hashjoin
estimating should be a little better ...
2001-05-09 00:35:09 +00:00
0967057b5d
minor copy editing
2001-03-24 23:03:26 +00:00
a276392e52
Update example of partially constraining join order to use a subselect
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in FROM instead of an auxiliary view. We didn't have subselect-in-FROM
when I wrote this originally...
2001-02-19 00:24:30 +00:00
ad4fd77a5f
Restructure performance tips into a single chapter ('populating a
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database' was way too small to make a chapter). Add a section about
using JOIN syntax to direct the planner.
2000-12-16 02:29:36 +00:00
Thomas G. Lockhart
Tom Lane
Bruce Momjian
Peter Eisentraut